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FAIR VALUE - Reconciliation for Assets and Liabilities Measured and Recorded at Fair Value on Recurring Basis (Details) - Fair Value, Measurements, Recurring - Contingent Consideration
$ in Millions
6 Months Ended
Apr. 03, 2020
USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning balance $ (75.3)
Adjustments due to the effect of foreign exchange 0.2
Change in fair value recognized in earnings 0.1
Ending balance $ (75.0)